21332202122 has 32 divisors (see below), whose sum is σ = 40289007744. Its totient is φ = 8228952000.

The previous prime is 21332202113. The next prime is 21332202169. The reversal of 21332202122 is 22120223312.

It is a happy number.

It is a super-2 number, since 2×21332202122² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21332202094 and 21332202103.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 670193 + ... + 701300.

It is an arithmetic number, because the mean of its divisors is an integer number (1259031492).

Almost surely, 2^21332202122 is an apocalyptic number.

21332202122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21332202122 is a deficient number, since it is larger than the sum of its proper divisors (18956805622).

21332202122 is a wasteful number, since it uses less digits than its factorization.

21332202122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1371614.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 21332202122 its reverse (22120223312), we get a palindrome (43452425434).

The spelling of 21332202122 in words is "twenty-one billion, three hundred thirty-two million, two hundred two thousand, one hundred twenty-two".